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<h1 class="topictitle1">Enabling File Interception</h1>
<div id="body0000001676753813"><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p8060118">This section describes how to enable file interception.</p>
<div class="section" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_section195772489558"><h4 class="sectiontitle">Prerequisites</h4><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p203681751135519">NFS or CIFS sharing has been enabled for the file system.</p>
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<div class="section" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_section72952052836"><h4 class="sectiontitle">Precautions</h4><ul id="EN-US_TOPIC_0000001783220050__ul5537132134812"><li id="EN-US_TOPIC_0000001783220050__li4537173217484">When file interception is enabled for the secondary file system of a HyperMetro domain or remote replication vStore pair, file name extension filtering rules do not take effect on the corresponding storage device due to the restrictions of the HyperMetro or remote replication function of the storage device. In this case, the OceanCyber generates an alarm. After file interception is enabled for the corresponding primary file system, the NAS HyperMetro configuration is automatically synchronized to the secondary file system. In this case, you can manually scan the file system on the OceanCyber. The alarm is cleared after the file name extension association status becomes normal.</li><li id="EN-US_TOPIC_0000001783220050__li121843418483">If DataTurbo sharing is enabled for file systems of the storage device, file interception cannot be enabled.</li></ul>
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<div class="section" id="EN-US_TOPIC_0000001783220050__section329313107287"><h4 class="sectiontitle">Procedure</h4><ol id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_ol1498311525414"><li id="EN-US_TOPIC_0000001783220050__li791210321107"><span>In the navigation pane, choose <strong id="EN-US_TOPIC_0000001783220050__b20186810702599"><span id="EN-US_TOPIC_0000001783220050__text2500696542599">Data Security</span></strong> &gt; <strong id="EN-US_TOPIC_0000001783220050__b10389052102599"><span id="EN-US_TOPIC_0000001783220050__text20346288972599">File Interception</span></strong>.</span></li></ol><ol start="2" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_ol13790921131411"><li id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_li5362122616287"><span>On the <span class="uicontrol" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_uicontrol12890172918"><b><span id="EN-US_TOPIC_0000001783220050__text162101954103611"><strong>File Systems</strong></span></b></span> tab page, select the file system for which you want to enable file interception and choose <span class="menucascade" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_menucascade81473270438"><b><span class="uicontrol" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_uicontrol134420288434"><span id="EN-US_TOPIC_0000001783220050__text184215301421"><strong>More</strong></span> &gt; <span id="EN-US_TOPIC_0000001783220050__text19915182644517"><strong>Enable File Interception</strong></span></span></b></span>.</span><p><div class="note" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_note751754763520"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_ul2045311719102"><li id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_li163418810101">You can also select multiple file systems for which you want to enable file interception and click <span class="uicontrol" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_uicontrol1155885215407"><b><span id="EN-US_TOPIC_0000001783220050__text111051174616"><strong>Enable File Interception</strong></span></b></span> in the upper part.</li><li id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_li84532771015">If file interception is not required, choose <span class="menucascade" id="EN-US_TOPIC_0000001783220050__menucascade073602594620"><b><span class="uicontrol" id="EN-US_TOPIC_0000001783220050__uicontrol47378252463"><span id="EN-US_TOPIC_0000001783220050__text197371925144610"><strong>More</strong></span> &gt; <span id="EN-US_TOPIC_0000001783220050__text15396124244614"><strong>Disable File Interception</strong></span></span></b></span>. Alternatively, select multiple file systems for which you want to disable file interception and click <span class="uicontrol" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_uicontrol18831135817197"><b><span id="EN-US_TOPIC_0000001783220050__text16811125424616"><strong>Disable File Interception</strong></span></b></span> in the upper part.</li></ul>
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</p></li><li id="EN-US_TOPIC_0000001783220050__li129201626175414"><span>In the dialog box that is displayed, read the content carefully and click <span class="uicontrol" id="EN-US_TOPIC_0000001783220050__uicontrol655725410548"><b><span id="EN-US_TOPIC_0000001783220050__text6636225556"><strong>OK</strong></span></b></span>.</span></li><li id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_li3647205162"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_uicontrol19446220181513"><b><span id="EN-US_TOPIC_0000001783220050__text88273271476"><strong>Number of File Name Extension Filtering Rules</strong></span></b></span> of the file to view the association status of <span id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_text1236327176">file name extension filtering rules</span>. <a href="#EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_table450913122183">Table 1</a> describes the association status. If the association status is <span class="uicontrol" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_uicontrol173383421403"><b><span id="EN-US_TOPIC_0000001783220050__text6244948184711"><strong>Applied</strong></span></b></span>, <span id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_text576756613">file name extension filtering rules</span> have taken effect.</span><p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_table450913122183"></a><a name="en-us_topic_0000001283108982_table450913122183"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_table450913122183" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Association status of <span id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_text517524195">file name extension filtering rules</span></caption><colgroup><col style="width:22.06%"><col style="width:77.94%"></colgroup><thead align="left"><tr id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_row17509181216189"><th align="left" class="cellrowborder" valign="top" width="22.06%" id="mcps1.3.4.3.3.2.1.2.3.1.1"><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p350910127186">Association Status</p>
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<th align="left" class="cellrowborder" valign="top" width="77.94%" id="mcps1.3.4.3.3.2.1.2.3.1.2"><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p12509201261818">Description</p>
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<tbody><tr id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_row750918121189"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.3.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p10509412191810"><span id="EN-US_TOPIC_0000001783220050__text1930034454816"><strong>Associated</strong></span></p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.3.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p450911215181">A <span id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_text1464565679">file name extension filtering rule</span> has been associated with a file system.</p>
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<tr id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_row950931215184"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.3.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p18509131212182"><span id="EN-US_TOPIC_0000001783220050__text1167610492488"><strong>Applied</strong></span></p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.3.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p8509181214182">A <span id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_text182965993">file name extension filtering rule</span> has been applied to the file system. You are not allowed to create, open, and rename operations on files with the same extension in the file system.</p>
<div class="note" id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_note156481438182119"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p1430704116224">When accessing a file system through the CIFS share, you must open the file before deleting it. Therefore, the deletion operation on files with the same extension in the file system is also intercepted.</p>
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<tr id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_row14509712111814"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.3.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p11509161215186"><span id="EN-US_TOPIC_0000001783220050__text5404155124813"><strong>Applying</strong></span></p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.3.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p350911218189">A <span id="EN-US_TOPIC_0000001783220050__text18885343142210">file name extension filtering rule</span> is being applied to the file system.</p>
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<tr id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_row1450961212189"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.3.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p151010122187"><span id="EN-US_TOPIC_0000001783220050__text1587121004920"><strong>Disassociating</strong></span></p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.3.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p155107126186">A <span id="EN-US_TOPIC_0000001783220050__text2213124942212">file name extension filtering rule</span> is being disassociated from the file system. Application to the file system will also be canceled.</p>
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<tr id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_row1551021217184"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.3.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p451091213189"><span id="EN-US_TOPIC_0000001783220050__text17077144912"><strong>Canceling Application</strong></span></p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.3.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p95109126186">The application of a <span id="EN-US_TOPIC_0000001783220050__text1177000162312">file name extension filtering rule</span> to the file system is being recalled.</p>
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<tr id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_row14053817198"><td class="cellrowborder" valign="top" width="22.06%" headers="mcps1.3.4.3.3.2.1.2.3.1.1 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p440515811193"><span id="EN-US_TOPIC_0000001783220050__text10603102210491"><strong>Exception</strong></span></p>
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<td class="cellrowborder" valign="top" width="77.94%" headers="mcps1.3.4.3.3.2.1.2.3.1.2 "><p id="EN-US_TOPIC_0000001783220050__en-us_topic_0000001283108982_p440511812194">The applied <span id="EN-US_TOPIC_0000001783220050__text10243141415234">file name extension filtering rule</span> does not take effect for some file system shares.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0000001783060330.html">Configuring File Interception (Pre-event Interception)</a></div>
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